All free icon sets on this site are free to download and use in accordance with the YOOtheme Free License. The free icon sets are available in 32-bit transparency PNG file format and in 8 different standard sizes, ranging from 16x16 to 512x512 pixels. Vector PDF files of all icons that are compatible with Adobe Illustrator and can be rescaled to any size without a single loss to the details, are also included. The freebies are designed to match with all our commercial icon packages. If you enjoy these icons please feel free to Twitter, Digg or recommend them.